Rear Dormer Loft Conversion Drawings in Wimbledon (SW19)

Which postcode districts around SW19 do we cover for rear dormer work?

Every SW19 postcode district we draw in, the stock that dominates it and the authority that validates a rear dormer there. SW19 fees below are the statutory England rates for 2026, not rear dormer estimates.

What changes about a rear dormer in each part of SW19?

Roof pitch, wall build-up and plot depth change every few SW19 streets, and each one changes what a rear dormer can achieve at that address.

• Inside SW19: Wimbledon (SW19, SW20) — Victorian villas, Edwardian terraces defines Wimbledon, where victorian villas, edwardian terraces set what a rear dormer can do. Full-width rear dormers on Victorian terraces here are the default across SW19. Any Wimbledon rear dormer is validated by Merton Council, with All England Club the usual Wimbledon reference point on the site plan.
• Inside SW19: Wimbledon Village (SW19) — Georgian and Victorian village conservation defines Wimbledon Village, where georgian and victorian villas set what a rear dormer can do. A dormer on a Georgian roof has to sit behind the parapet line across SW19. Any Wimbledon Village rear dormer is validated by Merton Council, with Wimbledon Village High Street the usual Wimbledon Village reference point on the site plan.
• Inside SW19: Colliers Wood (SW19) — a rear dormer in Colliers Wood starts from edwardian terraces, post-war flats, and Colliers Wood reads as Edwardian terraces, post-war flats. The deeper Edwardian rear slope takes a full-width dormer without breaching the 40 in SW19. Merton Council assesses Colliers Wood rear dormers against its own Colliers Wood character guidance, and the location plan we draw for Colliers Wood references Colliers Wood Tube.
• Inside SW19: South Wimbledon (SW19) — rear dormer work in South Wimbledon means edwardian terraces. South Wimbledon is Edwardian terraces. The deeper Edwardian rear slope takes a full-width dormer without breaching the 40 throughout SW19. Merton Council decides the South Wimbledon application, and South Wimbledon Tube anchors the South Wimbledon location plan.
• Bordering SW19: Raynes Park (SW20) — 1930s semi-detached, Edwardian terraces defines Raynes Park, where 1930s semi-detached, edwardian terraces set what a rear dormer can do. The deeper Edwardian rear slope takes a full-width dormer without breaching the 40 across SW20. Any Raynes Park rear dormer is validated by Merton Council, with Raynes Park station the usual Raynes Park reference point on the site plan.
• Bordering SW19: Morden (SM4) — a rear dormer in Morden starts from 1930s semi-detached, post-war flats, and Morden reads as 1930s semi-detached, post-war flats. Hip-to-gable plus rear dormer is the standard sequence on these 1930s semis in SM4. Merton Council assesses Morden rear dormers against its own Morden character guidance, and the location plan we draw for Morden references Morden Tube.
• Bordering SW19: Mitcham (CR4) — a rear dormer in Mitcham starts from 1930s semi-detached, post-war estates, and Mitcham reads as 1930s semi-detached, post-war estates. Hip-to-gable plus rear dormer is the standard sequence on these 1930s semis in CR4. Merton Council assesses Mitcham rear dormers against its own Mitcham character guidance, and the location plan we draw for Mitcham references Mitcham Cricket Green.
• Bordering SW19: Clapham Junction (SW11) — a rear dormer in Clapham Junction starts from victorian terraces, mansion blocks, and Clapham Junction reads as Victorian terraces, transport hub. Full-width rear dormers on Victorian terraces here are the default in SW11. Wandsworth Council assesses Clapham Junction rear dormers against its own Clapham Junction character guidance, and the location plan we draw for Clapham Junction references Clapham Junction station.
• Bordering SW19: Battersea (SW8, SW11) — rear dormer work in Battersea means victorian terraces, new-build apartments. Battersea is Victorian terraces, riverside regen at Power Station. Full-width rear dormers on Victorian terraces here are the default throughout SW8. Wandsworth Council decides the Battersea application, and Battersea Power Station anchors the Battersea location plan.
• Bordering SW19: Balham (SW12) — a rear dormer in Balham starts from victorian and edwardian terraces, and Balham reads as Victorian and Edwardian terraces. Full-width rear dormers on Victorian terraces here are the default in SW12. Wandsworth Council assesses Balham rear dormers against its own Balham character guidance, and the location plan we draw for Balham references Balham High Road.

Does SW19 planning policy restrict a rear dormer?

Conservation areas covering SW19 (Wimbledon / Colliers Wood): Merton Council runs 28, and Wimbledon Common, Wimbledon Village, John Innes are the ones SW19 (Wimbledon / Colliers Wood) owners meet most. A rear dormer inside a SW19 (Wimbledon / Colliers Wood) conservation area loses permitted development, so the SW19 (Wimbledon / Colliers Wood) submission is a householder application at £258 decided in 8 weeks — not a £120 prior approval decided in 6 weeks. In John Innes a rear dormer is judged on the street elevation first.

Article 4 and your SW19 (Wimbledon / Colliers Wood) rear dormer: Merton Council has made no borough-wide direction, so permitted development for a rear dormer in SW19 (Wimbledon / Colliers Wood) generally survives outside SW19 (Wimbledon / Colliers Wood) conservation areas and listed curtilages. A Lawful Development Certificate at £129 is how a SW19 owner records that a rear dormer was lawful.

SW19 (Wimbledon / Colliers Wood) housing stock: Victorian villas in Wimbledon; Edwardian terraces in Tooting and Colliers Wood; 1930s semi-detached in Morden and Raynes Park; post-war flats in Mitcham. Wimbledon is heavily conservation-controlled; outer Merton (Morden, Mitcham) is permissive. Read that before choosing a rear dormer route in SW19 (Wimbledon / Colliers Wood) — construction, not postcode, sets what is achievable. Rear dormers in SW19 (Wimbledon / Colliers Wood) start at £1,225 on a fixed fee, or £1,750 for the Complete package covering both Merton Council submissions.

Conservation areas covering SW19 (Wimbledon / Colliers Wood): Wandsworth Council runs 45, and Wandsworth Common, Clapham Common West, Tonsley are the ones SW19 (Wimbledon / Colliers Wood) owners meet most. A rear dormer inside a SW19 (Wimbledon / Colliers Wood) conservation area loses permitted development, so the SW19 (Wimbledon / Colliers Wood) submission is a householder application at £258 decided in 8 weeks — not a £120 prior approval decided in 6 weeks. In Wandsworth Common a rear dormer is judged on the street elevation first.

Article 4 and your SW19 (Wimbledon / Colliers Wood) rear dormer: Article 4 for HMO conversions covering the whole borough. At a SW19 address that matters twice over, because Wandsworth Council applies the direction unevenly across SW19 (Wimbledon / Colliers Wood) — we read the SW19 (Wimbledon / Colliers Wood) policies map for the exact SW19 address before quoting rear dormers.

SW19 (Wimbledon / Colliers Wood) housing stock: Extensive Victorian terraced streets — the classic London side-return extension opportunity; Edwardian villas around the commons; 1930s semi-detached in Southfields. Family-oriented, high side-return extension and loft conversion rates; planning department experienced with Victorian terrace modifications. Read that before choosing a rear dormer route in SW19 (Wimbledon / Colliers Wood) — construction, not postcode, sets what is achievable. Rear dormers in SW19 (Wimbledon / Colliers Wood) start at £1,225 on a fixed fee, or £1,750 for the Complete package covering both Wandsworth Council submissions.

Which neighbouring authorities border SW19?

• Kingston upon Thames — the Kingston upon Thames boundary runs against Merton, so a rear dormer a street from SW19 (Wimbledon / Colliers Wood) is decided by Kingston Council instead. Kingston upon Thames runs 22 conservation areas across KT1 and its neighbours, which is why rear dormers priced for SW19 (Wimbledon / Colliers Wood) are re-checked against Kingston upon Thames policy whenever the SW19 (Wimbledon / Colliers Wood) address sits on that edge.
• Wandsworth — adjoining SW19 (Wimbledon / Colliers Wood), with 45 conservation areas centred on SW8. A rear dormer on the far side of the SW19 (Wimbledon / Colliers Wood) line is determined by Wandsworth Council, so the SW19 (Wimbledon / Colliers Wood) quote for rear dormers is checked against Wandsworth guidance before it is issued.
• Lambeth — the Lambeth boundary runs against Merton, so a rear dormer a street from SW19 (Wimbledon / Colliers Wood) is decided by Lambeth Council instead. Lambeth runs 64 conservation areas across SE1 and its neighbours, which is why rear dormers priced for SW19 (Wimbledon / Colliers Wood) are re-checked against Lambeth policy whenever the SW19 (Wimbledon / Colliers Wood) address sits on that edge.
• Croydon — the Croydon boundary runs against Merton, so a rear dormer a street from SW19 (Wimbledon / Colliers Wood) is decided by Croydon Council instead. Croydon runs 24 conservation areas across CR0 and its neighbours, which is why rear dormers priced for SW19 (Wimbledon / Colliers Wood) are re-checked against Croydon policy whenever the SW19 (Wimbledon / Colliers Wood) address sits on that edge.
• Merton — the Merton boundary runs against Wandsworth, so a rear dormer a street from SW19 (Wimbledon / Colliers Wood) is decided by Merton Council instead. Merton runs 28 conservation areas across SW16 and its neighbours, which is why rear dormers priced for SW19 (Wimbledon / Colliers Wood) are re-checked against Merton policy whenever the SW19 (Wimbledon / Colliers Wood) address sits on that edge.
• Richmond upon Thames — the Richmond upon Thames boundary runs against Wandsworth, so a rear dormer a street from SW19 (Wimbledon / Colliers Wood) is decided by Richmond Council instead. Richmond upon Thames runs 72 conservation areas across SW13 and its neighbours, which is why rear dormers priced for SW19 (Wimbledon / Colliers Wood) are re-checked against Richmond upon Thames policy whenever the SW19 (Wimbledon / Colliers Wood) address sits on that edge.
• Hammersmith and Fulham — the Hammersmith and Fulham boundary runs against Wandsworth, so a rear dormer a street from SW19 (Wimbledon / Colliers Wood) is decided by Hammersmith & Fulham Council instead. Hammersmith and Fulham runs 45 conservation areas across W6 and its neighbours, which is why rear dormers priced for SW19 (Wimbledon / Colliers Wood) are re-checked against Hammersmith and Fulham policy whenever the SW19 (Wimbledon / Colliers Wood) address sits on that edge.

Sources for this SW19 rear dormer page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.